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Finding the Fourth Proportional to 127,044.72, 175,322.88 and 70,454.88

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Solution

The fourth proportional to 127,044.72, 175,322.88 and 70,454.88 is: 97,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,044.72 : 175,322.88 = 70,454.88 : x
  2. Step 2: Convert to fraction form
    127,044.72/175,322.88 = 70,454.88/x
  3. Step 3: Cross multiply
    127,044.72x = 175,322.88 × 70,454.88
  4. Step 4: Simplify right side
    127,044.72x = 12,352,352,471.65
  5. Step 5: Solve for x
    x = 12,352,352,471.65/127,044.72
  6. Step 6: Final answer
    x = 97,228.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.